Home / 1,382.61-1,895.79-1,341.62

Finding the Fourth Proportional to 1,382.61, 1,895.79 and 1,341.62

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Solution

The fourth proportional to 1,382.61, 1,895.79 and 1,341.62 is: 1,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.61 : 1,895.79 = 1,341.62 : x
  2. Step 2: Convert to fraction form
    1,382.61/1,895.79 = 1,341.62/x
  3. Step 3: Cross multiply
    1,382.61x = 1,895.79 × 1,341.62
  4. Step 4: Simplify right side
    1,382.61x = 2,543,420.30
  5. Step 5: Solve for x
    x = 2,543,420.30/1,382.61
  6. Step 6: Final answer
    x = 1,839.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.